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Circuit Protection

Circuit Protection devices and components are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Analog Devices, Bourns, Eaton, Phoenix Contact, TDK EPCOS, Littelfuse, Vishay, & more.
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Please view our selection of circuit protection devices below.

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Types of Circuit Protection

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Results: 359.614

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Part #

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

30KPA120CA
Littelfuse
1: 143,98 kr.
1.367In Stock

Mfr. Part No.
30KPA120CA

Mouser Part No
576-30KPA120CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

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Datasheet

1.367In Stock

Cut Tape

143,98 kr.

105,63 kr.

105,56 kr.

105,48 kr.

Reel

105,48 kr.

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

30KPA48CA
Littelfuse
1: 144,13 kr.
2.798In Stock

Mfr. Part No.
30KPA48CA

Mouser Part No
576-30KPA48CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

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Datasheet

2.798In Stock

Cut Tape

144,13 kr.

105,71 kr.

105,56 kr.

102,87 kr.

Reel

102,87 kr.

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes 3.3V, High Surge TVS for VBus Protection

UCLAMP3381P.TFT
Semtech
1: 9,18 kr.
61.630In Stock

Mfr. Part No.
UCLAMP3381P.TFT

Mouser Part No
947-UCLAMP3381P.TFT

Semtech

ESD Protection Diodes / TVS Diodes 3.3V, High Surge TVS for VBus Protection

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Datasheet

61.630In Stock

Cut Tape

9,18 kr.

4,40 kr.

3,35 kr.

2,83 kr.

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Reel

2,17 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 15.000

ESD Protection Diodes / TVS Diodes TVS 30KW 5%BI P600 39V TR13

30KPA39CA
Littelfuse
1: 132,42 kr.
1.172In Stock

Mfr. Part No.
30KPA39CA

Mouser Part No
576-30KPA39CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 30KW 5%BI P600 39V TR13

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Datasheet

1.172In Stock

Cut Tape

132,42 kr.

102,87 kr.

Reel

102,87 kr.

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

30KPA64A
Littelfuse
1: 140,84 kr.
1.378In Stock

Mfr. Part No.
30KPA64A

Mouser Part No
576-30KPA64A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

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Datasheet

1.378In Stock

Cut Tape

140,84 kr.

96,01 kr.

95,86 kr.

93,62 kr.

Reel

93,62 kr.

Min.: 1
Mult.: 1

: 800

Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting

KLKR002.T
Littelfuse
1: 174,34 kr.
1.198In Stock

Mfr. Part No.
KLKR002.T

Mouser Part No
576-KLKR002.T

Littelfuse

Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting

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Datasheet

1.198In Stock

174,34 kr.

156,51 kr.

155,84 kr.

129,06 kr.

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Min.: 1
Mult.: 1

Thermal Cut-offs Metal Hybrid PPTC

MHP-TAM6-9-72
Littelfuse
1: 11,04 kr.
21.142In Stock

Mfr. Part No.
MHP-TAM6-9-72

Mouser Part No
650-MHP-TAM6-9-72

Littelfuse

Thermal Cut-offs Metal Hybrid PPTC

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Datasheet

21.142In Stock

11,04 kr.

9,18 kr.

8,50 kr.

6,99 kr.

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Min.: 1
Mult.: 1

Circuit Breakers CBM E4 24DC/0.5-10A NO-R

2905743
Phoenix Contact
1: 1.260,22 kr.
134In Stock

Mfr. Part No.
2905743

Mouser Part No
651-2905743

Phoenix Contact

Circuit Breakers CBM E4 24DC/0.5-10A NO-R

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Datasheet

134In Stock

1.260,22 kr.

Min.: 1
Mult.: 1

Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120 V Single Phase, 2P

DS240S-120/G
Citel
1: 1.048,20 kr.
146In Stock

Mfr. Part No.
DS240S-120/G

Mouser Part No
703-DS240S-120/G

Citel

Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120 V Single Phase, 2P

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Datasheet

146In Stock

1.048,20 kr.

928,32 kr.

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, NTC 3.3K OHM, 3%, 0603

NTCG164BH332HT1
TDK
1: 8,28 kr.
19.428In Stock

Mfr. Part No.
NTCG164BH332HT1

Mouser Part No
810-NTCG164BH332HT1

TDK

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, NTC 3.3K OHM, 3%, 0603

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Datasheet

19.428In Stock

Cut Tape

8,28 kr.

7,91 kr.

7,45 kr.

7,12 kr.

View

Reel

4,50 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 3%

NTCGP3JH103HCZCCA
TDK
1: 42,82 kr.
8.895In Stock

Mfr. Part No.
NTCGP3JH103HCZCCA

Mouser Part No
810-NTCGP3JH103HCZCC

TDK

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 3%

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Datasheet

8.895In Stock

42,82 kr.

38,57 kr.

37,00 kr.

35,06 kr.

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Min.: 1
Mult.: 1

Varistors 460VAC 10% 4032mm

B72660M0461K093
TDK
1: 6,54 kr.
49.992In Stock

Mfr. Part No.
B72660M0461K093

Mouser Part No
871-B72660M0461K093

TDK

Varistors 460VAC 10% 4032mm

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Datasheet

49.992In Stock

6,54 kr.

5,01 kr.

4,42 kr.

4,15 kr.

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Min.: 1
Mult.: 1

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

MOV-20D182KK
Bourns
1: 18,72 kr.
2.676In Stock

Mfr. Part No.
MOV-20D182KK

Mouser Part No
652-MOV-20D182KK

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

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Datasheet

2.676In Stock

18,72 kr.

13,88 kr.

12,61 kr.

10,82 kr.

View

Min.: 1
Mult.: 1

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

MOV-20D781KKTR
Bourns
1: 13,20 kr.
3.952In Stock

Mfr. Part No.
MOV-20D781KKTR

Mouser Part No
652-MOV-20D781KKTR

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

3.952In Stock

Cut Tape

13,20 kr.

8,28 kr.

7,45 kr.

6,08 kr.

Reel

5,68 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 440V

5.0SMDJ440CA
Littelfuse
1: 13,88 kr.
2.416In Stock
3.000Expected 17/12/2026

Mfr. Part No.
5.0SMDJ440CA

Mouser Part No
576-5.0SMDJ440CA

Littelfuse

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 440V

Datasheet

2.416In Stock

3.000Expected 17/12/2026

Cut Tape

13,88 kr.

9,40 kr.

7,91 kr.

7,53 kr.

6,80 kr.

Reel

6,74 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

PTC (Positive Temperature Coefficient) Thermistors 35ohms 10A 410V 30%

PTC305C20
Vishay / Cera-Mite
1: 102,65 kr.
547In Stock

Mfr. Part No.
PTC305C20

Mouser Part No
75-PTC305C20

Vishay / Cera-Mite

PTC (Positive Temperature Coefficient) Thermistors 35ohms 10A 410V 30%

Datasheet

547In Stock

102,65 kr.

90,71 kr.

81,31 kr.

76,99 kr.

View

Min.: 1
Mult.: 1

SCR Modules Bipolar Module - Thyristor ComPack

MCMA700PD1600CB
IXYS
1: 2.083,43 kr.
74In Stock
3Expected 06/10/2026

Mfr. Part No.
MCMA700PD1600CB

Mouser Part No
747-MCMA700PD1600CB

IXYS

SCR Modules Bipolar Module - Thyristor ComPack

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Datasheet

74In Stock

3Expected 06/10/2026

2.083,43 kr.

1.679,62 kr.

Min.: 1
Mult.: 1

Fuse Holder Inline Fuseholder Unassembled 150330

01500330HXU
Littelfuse
1: 25,14 kr.
5.770In Stock

Mfr. Part No.
01500330HXU

Mouser Part No
576-01500330HXU

Littelfuse

Fuse Holder Inline Fuseholder Unassembled 150330

Datasheet

5.770In Stock

25,14 kr.

22,90 kr.

22,16 kr.

17,38 kr.

View

Min.: 1
Mult.: 1

Varistors 60VAC 85VDC 1100pF AEC-Q200

V85MLA1812NRAUTO
Littelfuse
1: 19,55 kr.
1.871In Stock

Mfr. Part No.
V85MLA1812NRAUTO

Mouser Part No
576-V85MLA1812NRAUTO

Littelfuse

Varistors 60VAC 85VDC 1100pF AEC-Q200

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Datasheet

1.871In Stock

Cut Tape

19,55 kr.

14,10 kr.

13,28 kr.

11,34 kr.

Reel

7,83 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

SMF24A-HE3_A08
Vishay Semiconductors
1: 3,33 kr.
23.680In Stock

Mfr. Part No.
SMF24A-HE3_A08

Mouser Part No
78-SMF24A-HE3A08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

Datasheet

23.680In Stock

Cut Tape

3,33 kr.

2,10 kr.

1,34 kr.

1,07 kr.

Reel

0,761 kr.

View

Min.: 1
Mult.: 1

: 3.000

Industrial & Electrical Fuses 600V 50A RoHS

0JTD050.TXR
Littelfuse
1: 401,12 kr.
58In Stock

Mfr. Part No.
0JTD050.TXR

Mouser Part No
576-0JTD050.TXR

Littelfuse

Industrial & Electrical Fuses 600V 50A RoHS

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Datasheet

58In Stock

401,12 kr.

342,34 kr.

316,68 kr.

278,85 kr.

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 250V

5.0SMDJ250CA
Littelfuse
1: 19,55 kr.
1.740In Stock

Mfr. Part No.
5.0SMDJ250CA

Mouser Part No
576-5.0SMDJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes 5.0SMDJ - CA 250V

Datasheet

1.740In Stock

Cut Tape

19,55 kr.

12,68 kr.

9,33 kr.

7,91 kr.

6,67 kr.

Reel

6,35 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes Zen TVS 5000W 28V Bi DO-214AB TR13

SZ5KASMC28CAT3G
Littelfuse
1: 23,42 kr.
3.918In Stock

Mfr. Part No.
SZ5KASMC28CAT3G

Mouser Part No
576-SZ5KASMC28CAT3G

Littelfuse

ESD Protection Diodes / TVS Diodes Zen TVS 5000W 28V Bi DO-214AB TR13

Learn More

Datasheet

3.918In Stock

Cut Tape

23,42 kr.

15,29 kr.

12,01 kr.

10,15 kr.

Reel

9,55 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Thermal Cut-offs 16V 500A MAX

HCRTP-MINI-B
Littelfuse
1: 9,70 kr.
4.000In Stock
New Product

Mfr. Part No.
HCRTP-MINI-B

Mouser Part No
650-HCRTP-MINI-B

New Product

Littelfuse

Thermal Cut-offs 16V 500A MAX

Datasheet

4.000In Stock

9,70 kr.

7,68 kr.

6,35 kr.

5,67 kr.

View

Min.: 1
Mult.: 1

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

2510-2L6-48
Bourns
1: 531,97 kr.
108In Stock

Mfr. Part No.
2510-2L6-48

Mouser Part No
652-2510-2L6-48

Bourns

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

Learn More

Datasheet

108In Stock

531,97 kr.

443,12 kr.

419,92 kr.

419,85 kr.

View

Min.: 1
Mult.: 1

Circuit Protection

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